<template>
    <div>
        <!-- 面包屑导航 -->
            <el-breadcrumb separator-class="el-icon-arrow-right">
                <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
                <el-breadcrumb-item>数据统计</el-breadcrumb-item>
                <el-breadcrumb-item>数据报表</el-breadcrumb-item>
            </el-breadcrumb>

        <el-card>
            <!-- 为ECharts准备一个具备大小（宽高）的Dom -->
            <div id="main" style="width: 600px;height:400px;"></div>
        </el-card>    
    </div>
</template>

<script>
// import echarts from 'echarts'
import * as echarts from 'echarts'
import _ from 'lodash'
export default {
    data() {
        return {
        options: {
        title: {
          text: '用户来源'
        },
        tooltip: {
          trigger: 'axis',
          axisPointer: {
            type: 'cross',
            label: {
              backgroundColor: '#E9EEF3'
            }
          }
        },
        grid: {
          left: '3%',
          right: '4%',
          bottom: '3%',
          containLabel: true
        },
        xAxis: [
          {
            boundaryGap: false
          }
        ],
        yAxis: [
          {
            type: 'value'
          }
        ]
      }
        }
    },
    created() {

    },
    async mounted() {
        var myChart = echarts.init(document.getElementById('main'))
       const {data: res} = await this.$http.get('reports/type/1')
       if(res.meta.status !== 200) {
           return this.$message.error('获取数据失败')
       }
       const Result = _.merge(res.data, this.options)
        myChart.setOption(Result)
    }
}
</script>

<style lang="less" scoped>

</style>